<Query Kind="Program" />

void Main()
{
	var p1 = new PerSon(1,"dd");
	var p2 = new PerSon(2, "ddd");
	List<PerSon> l1 = new List<UserQuery.PerSon>() { p1, p2 };
	l1.Select(ll2 => {
		ll2.age += 1;
		return ll2;
	}).Dump();
	
}

public class PerSon
{
	public PerSon(int a, string na)
	{
		age = a;
		name = na;
	}
	public int age;
	public string name;
}

// You can define other methods, fields, classes and namespaces here
